US Bridges

Local over Prairie Ck

Good

Benton County, Iowa · 082111601 · Structure no. 000000000070501

Built
2016
9 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
182 ft
4 main spans
Daily traffic
15
2021 count
Owner
County
County Highway Agency

About this bridge

Local over Prairie Ck is a concrete continuous slab carrying Local over Prairie Ck in Benton County, Iowa. It was built in 2016, so it is 9 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, projected to reach 15 by 2043. The structure is 182 ft (55.5 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLocal
CrossesPrairie Ck
Location082111601
RouteCounty Highway 0
StateIowa
Coordinates41.92059, -92.13859
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length182 ft (55.5 m)
Longest span51 ft (15.5 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2021)
Projected traffic15 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Local over Prairie Ck built?

It was built in 2016, making it 9 years old in 2025.

What condition is Local over Prairie Ck in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Local over Prairie Ck carry?

About 15 vehicles per day (2021 count).

How long is Local over Prairie Ck?

The structure is 182 ft (55.5 m) long with a longest span of 51 ft (15.5 m) and a deck 33 ft wide.

Who owns Local over Prairie Ck?

It is owned by the County Highway Agency.